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For the Inventor, By the Inventor

Shizuoka, Japan

Keiji Okano

This inventor holds 27 USPTO granted patents and 1 EPO patent, primarily in Image Forming Technology. Top assignee: Canon Kabushiki Kaisha. Active years: 1991-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keiji Okano. Retrieved from https://idiyas.com/inventor/keiji-okano

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 27

% Patents Active = 77.8


Average Co-Inventor Count = 3.6

ph-index = 12

Forward Citations = 366(Granted Patents)


Location History:

  • Yokohama, JP (1991 - 1993)
  • Tokyo, JP (1996 - 2002)
  • Toride, JP (2002)
  • Ibaraki, JP (2003)
  • Shizuoka, JP (2003 - 2005)
  • Shizuoka-ken, JP (2004 - 2007)
  • Sunto-gun, JP (2007)

Company Filing History:

goldMedal27 out of 93,085 
 
Canon Kabushiki Kaisha
 patents

Years Active: 1991-2007

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Areas of Expertise:
Image Forming Apparatus
Charging Member
Developing Apparatus
Process Cartridge
Electrostatic Latent Image
Magnetic Toner
Voltage Regulation
Developer Agitating Feature
Optical Detection
Developer Layer Regulation
Pixel Density Control
Memory Device
27 patents (USPTO):Explore Patents
1. 7289756 - Developer regulating member with surface roughness parameters (2007-10-30),
2. 7194215 - Process cartridge comprising memory medium storing information for selecting one of a plurality of alternating voltages applied to charging member and such a memory medium (2007-03-20),
3. 7035560 - Image forming apparatus having charging member supplied with a plurality of alternating voltages and memory for storing information for selecting the voltages (2006-04-25),
4. 6898401 - Charging system, process cartridge and image forming apparatus (2005-05-24),
5. 6882806 - Charging apparatus determining a peak-to-peak voltage to be applied to a charging member (2005-04-19),
6. 6829447 - Developing apparatus (2004-12-07),
7. 6741824 - Charging system, process cartridge and image forming apparatus (2004-05-25),
8. 6686942 - Memory device for an image forming apparatus storing characteristics information about a process cartridge detachably attachable to the apparatus (2004-02-03),
9. 6559875 - Image forming apparatus with pixel density based light beam control (2003-05-06),
10. 6532030 - Process cartridge, image forming apparatus, and image forming method (2003-03-11),
11. 6370348 - Developing apparatus including intermittent developer agitating feature, and image forming apparatus using same (2002-04-09),
12. 6343193 - Process cartridge and image forming apparatus including a developer remaining amount detecting member (2002-01-29),
13. 6272306 - Developing apparatus and image forming apparatus having first and second voltages applied to a developing satisfying predetermined relationships (2001-08-07),
14. 6226464 - Developer apparatus featuring a developer container partition portion disposed between a detecting member and an agitating member (2001-05-01),
15. 6167212 - Development density adjusting method for image forming apparatus (2000-12-26),

Title: Keiji Okano: Pioneering Inventor from Shizuoka, JP

Introduction: Keiji Okano is a renowned inventor hailing from Shizuoka, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Keiji Okano holds several patents in the areas of robotics, artificial intelligence, and sustainable energy solutions, showcasing his versatility and forward-thinking approach to invention.

Career Highlights: With a career spanning over two decades, Keiji Okano has worked with leading tech companies in Japan, spearheading projects that have revolutionized industries and improved the quality of life for many.

Collaborations: Throughout his career, Keiji Okano has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge-sharing.

Conclusion: Keiji Okano's passion for innovation, coupled with his relentless drive to push the boundaries of what is possible, solidifies his position as a trailblazing inventor in the global technological landscape.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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